Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Tags

CCSS.7.RP.A.2A

Front

How can you identify a proportional relationship from a table?

Back

A table represents a proportional relationship if the ratios of corresponding values are equal.

Tags

CCSS.7.RP.A.2D

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second term is 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a graph is proportional?

Back

A graph is proportional if it is a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is a relationship where the ratio between two quantities is not constant.

Tags

CCSS.7.RP.A.2D

Front

How can you tell if a graph is non-proportional?

Back

A graph is non-proportional if it does not pass through the origin.

Tags

CCSS.7.RP.A.2D

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.

Tags

CCSS.7.RP.A.2B

Front

If a table shows the values (2, 4), (3, 6), (4, 8), is it proportional?

Back

Yes, it is proportional because the ratio of y to x is constant (2:1).

Tags

CCSS.7.RP.A.2A

Front

What is the formula for finding the unit rate?

Back

The unit rate can be found by dividing the total quantity by the number of units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does a straight line through the origin indicate on a graph?

Back

It indicates a proportional relationship between the two variables.

Tags

CCSS.7.RP.A.2D